Expired Pointer Dereference Affecting rv package, versions *
Threat Intelligence
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Test your applications- Snyk IDSNYK-RHEL10-RV-14968886
- published16 Jan 2026
- disclosed1 Jan 2025
Introduced: 1 Jan 2025
CVE-2025-68822 (opens in a new tab)How to fix?
There is no fixed version for RHEL:10 rv.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by RHEL.
See How to fix? for RHEL:10 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
Input: alps - fix use-after-free bugs caused by dev3_register_work
The dev3_register_work delayed work item is initialized within alps_reconnect() and scheduled upon receipt of the first bare PS/2 packet from an external PS/2 device connected to the ALPS touchpad. During device detachment, the original implementation calls flush_workqueue() in psmouse_disconnect() to ensure completion of dev3_register_work. However, the flush_workqueue() in psmouse_disconnect() only blocks and waits for work items that were already queued to the workqueue prior to its invocation. Any work items submitted after flush_workqueue() is called are not included in the set of tasks that the flush operation awaits. This means that after flush_workqueue() has finished executing, the dev3_register_work could still be scheduled. Although the psmouse state is set to PSMOUSE_CMD_MODE in psmouse_disconnect(), the scheduling of dev3_register_work remains unaffected.
The race condition can occur as follows:
CPU 0 (cleanup path) | CPU 1 (delayed work) psmouse_disconnect() | psmouse_set_state() | flush_workqueue() | alps_report_bare_ps2_packet() alps_disconnect() | psmouse_queue_work() kfree(priv); // FREE | alps_register_bare_ps2_mouse() | priv = container_of(work...); // USE | priv->dev3 // USE
Add disable_delayed_work_sync() in alps_disconnect() to ensure that dev3_register_work is properly canceled and prevented from executing after the alps_data structure has been deallocated.
This bug is identified by static analysis.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2429053
- https://access.redhat.com/security/cve/CVE-2025-68822
- https://git.kernel.org/stable/c/a9c115e017b2c633d25bdfe6709dda6fc36f08c2
- https://git.kernel.org/stable/c/bf40644ef8c8a288742fa45580897ed0e0289474
- https://git.kernel.org/stable/c/ed8c61b89be0c45f029228b2913d5cf7b5cda1a7